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Noud
Joined: 23 May 2024
Posts: 2
Location: Netherlands
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 Posted: Mon Jun 17, 2024 7:59 pm Post subject: Alternator not getting 12V |
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Hi, I have a 1982 924 that has a weird issue where the alternator won't charge unless I directly connect 12V to the alternators D+. The voltage regulator and ground strap have already been replaced. Does anyone know where the wire that connects to this D+ goes to or why it doesn't get power?
Thx!
Noud |
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924RACR
Joined: 29 Jul 2001
Posts: 9064
Location: Royal Oak, MI, USA
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| Posted: Mon Jun 17, 2024 9:28 pm Post subject: |
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Going from memory, there should be a circuit through the battery warning light in the dash, the combo gauge cluster, which makes the connection to start charging. Is your dash light bulb out/broken or disconnected?
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Vaughan Scott
Webmeister
'79 924 #77 SCCA H Prod racecar
'82 931 Plat. Silver
#25 Hidari Firefly P2 sports prototype |
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Noud
Joined: 23 May 2024
Posts: 2
Location: Netherlands
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| Posted: Mon Jun 17, 2024 9:31 pm Post subject: |
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| 924RACR wrote: | | Going from memory, there should be a circuit through the battery warning light in the dash, the combo gauge cluster, which makes the connection to start charging. Is your dash light bulb out/broken or disconnected? |
That's what I thought as well so I tested the light and it works but somehow doesn't turn on when I turn the ignition on. |
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daniel
Joined: 18 Jun 2009
Posts: 686
Location: Sydney, Australia
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| Posted: Tue Jun 18, 2024 9:13 am Post subject: |
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Rev the engine to 4000rpm, if the regulator is faulty the alternator should charge.
Another thing to consider: I recently chassed down a voltage drop issue in my car that turned out to be the wire from the ignition barrel to the positive side of the coil. It looked fine, tested fine but dropped 2 volts!
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Over the top of skyline, total brake failure.... hit the wall at over 200 kp/h at the dipper, so anyone who has to brake for the esses is a pussy.
1977.5 Race Car, CAMS Group S Spec
1989 944 Cabriolet |
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